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57142608 = 2431976043
BaseRepresentation
bin1101100111111…
…0110101010000
310222112010220220
43121332311100
5104112030413
65400433040
71262463345
oct331766520
9128463826
1057142608
112a28a0a6
1217178780
13bab94c3
1478367cc
15503b223
hex367ed50

57142608 has 40 divisors (see below), whose sum is σ = 148392288. Its totient is φ = 18947712.

The previous prime is 57142597. The next prime is 57142609. The reversal of 57142608 is 80624175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57142609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6435 + ... + 12477.

Almost surely, 257142608 is an apocalyptic number.

It is an amenable number.

57142608 is an abundant number, since it is smaller than the sum of its proper divisors (91249680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57142608 is a wasteful number, since it uses less digits than its factorization.

57142608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6251 (or 6245 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 57142608 is about 7559.2729809156. The cubic root of 57142608 is about 385.1707973276.

The spelling of 57142608 in words is "fifty-seven million, one hundred forty-two thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 197 394 591 788 1182 1576 2364 3152 4728 6043 9456 12086 18129 24172 36258 48344 72516 96688 145032 290064 1190471 2380942 3571413 4761884 7142826 9523768 14285652 19047536 28571304 57142608